/**
 */
package Alloy;


/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Material Association</b></em>'.
 * <!-- end-user-doc -->
 *
 * <!-- begin-model-doc -->
 * Material association
 * includes a relator variable (from which the relation is derived)
 * because of Alloy's syntax, this relator doesn't need to be explicitly typed
 * <!-- end-model-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link Alloy.MaterialAssociation#getRelator <em>Relator</em>}</li>
 * </ul>
 * </p>
 *
 * @see Alloy.AlloyPackage#getMaterialAssociation()
 * @model
 * @generated
 */
public interface MaterialAssociation extends Relationship {
	/**
	 * Returns the value of the '<em><b>Relator</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Relator</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Relator</em>' containment reference.
	 * @see #setRelator(MomentVariable)
	 * @see Alloy.AlloyPackage#getMaterialAssociation_Relator()
	 * @model containment="true" required="true"
	 * @generated
	 */
	MomentVariable getRelator();

	/**
	 * Sets the value of the '{@link Alloy.MaterialAssociation#getRelator <em>Relator</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Relator</em>' containment reference.
	 * @see #getRelator()
	 * @generated
	 */
	void setRelator(MomentVariable value);

} // MaterialAssociation
